https://github.com/pilotak/esphome-eeprom

Lets you write/read EEPROM in lambdas
https://github.com/pilotak/esphome-eeprom

eeprom esphome esphome-component i2c restore

Last synced: about 2 months ago
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Lets you write/read EEPROM in lambdas

• Host: GitHub
• URL: https://github.com/pilotak/esphome-eeprom
• Owner: pilotak
• Created: 2024-07-19T19:44:55.000Z (6 months ago)
• Default Branch: master
• Last Pushed: 2024-09-16T08:07:53.000Z (4 months ago)
• Last Synced: 2024-09-17T08:06:45.128Z (4 months ago)
• Topics: eeprom, esphome, esphome-component, i2c, restore
• Language: C++
• Homepage:
• Size: 12.7 KB
• Stars: 6
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# esphome-eeprom

[![build](https://github.com/pilotak/esphome-eeprom/actions/workflows/build.yml/badge.svg)](https://github.com/pilotak/esphome-eeprom/actions/workflows/build.yml)

Lets you write/read EEPROM in lambdas

```yaml

external_components:

  - source: github://pilotak/esphome-eeprom

    components: [i2c_eeprom]

i2c:

  scl: 16

  sda: 17

  id: i2c_1

i2c_eeprom:

  - id: eeprom_1

    size: 16KB

  - id: eeprom_2

    size: 32KB

    i2c_id: i2c_1

    address: 0x52

some_option:

  on_something:

    - lambda: |-

        uint8_t write_byte = 0b1;

        eeprom_1->put(0x0001, write_byte);

        uint8_t read_byte;

        eeprom_1->get(0x0001, &read_byte);

        ESP_LOGD("eeprom","Read: 0x%02X ", read_byte);

```

> Multiple devices can be used at the same time.

### Configuration

- **size** - _(required)_ Set the EEPPROM size: `1KB`, `2KB`, `4KB`, `8KB`, `16KB`, `32KB`, `64KB`, `128KB`, `256KB`, `512KB`

- **id** - _(required)_ Unique ID for use in lambdas

- **i2c_id** - _(optional)_ ID of the I2C bus

- **address** - _(optional)_(default 0x50) I2C address

- **on_setup** - _(optional)_ Automation to run after setup

Please see [example](./example.yaml) how to use it action.